- Community/Widely Held 1953 – 1989
- Murray Pezim 1989 – 1992
- CFL 1992
- Bill Comrie 1992 – 1996
- Skalbania/Jensen 1996
- CFL 1996
- David Braley 1996 – 2021
- Amar Doman 2021 – Present
- Community/Widely Held 1948 – 1991
- Larry Ryckman 1991 – 1996
- Sig Gutsche 1996 – 2001
- Feterik/Bubonic 2001 – 2005
- Hellard/Forzani/Mitchell 2005 – 2010
- Forzani/Mitchell/Sapunjis 2010 – 2012
- CSEC/Forzani/Mitchell 2012 – Present
- Community/Widely Held 1949 – Present
- Community/Widely Held 1950 – 1960
- Unknown 1960 – 1974
- Michael DeGroote 1974 – 1978
- Maple Leaf Gardens Ltd. 1978 – 1989
- David Braley 1989 – 1992
- Yachetti/Michaluk/Others 1992 – 1993
- Yachetti/Michaluk/McDonald/Others 1993 – 1995
- McDonald/Grant 1995 – 2003
- CFL 2003
- Bob Young 2003 – 2022
- Hamilton Sports Group 2022 – Present
- Craddock/Dandurand/Hayman 1946 – 1951
- Robertson/Skelcher/Stone 1951 – 1954
- Workman/Dandurand 1954 – 1956
- Ted Workman 1956 – 1966
- Workman/Atwell 1966 – 1967
- Joe Atwell 1967 – 1969
- Sam Berger 1969 – 1981
- Nelson Skalbania 1981 – 1982
- CFL 2019 – 2020
- S and S Sportsco 2020 – 2023
- CFL 2023
- Pierre Karl PĂ©ladeau 2023 – Present
- Jim Speros 1994
- Jim Speros 1994 – 1996
- Speros/Gelfand 1996 – 1997
- Robert Wetenhall 1997 – 2019
- Bronfman/Imasco 1982 – 1986
- Bronfman/Imasco/Kimball 1986 – 1987
- Kimball/Hole 1987
- Ottawa Sports and Entertainment Group 2012 – Present
- Smith/Gillis/Kisma/Waters/Baker 2001 – 2005
- Glieberman/Smith/Waters 2005 – 2006
- Community/Widely Held 1897 – 1950
- Sam Berger 1950 – 1960
- Loeb/McEwan 1960 – 1969
- David Loeb 1969 – 1977
- Alan Waters 1977 – 1987
- Limited Partnership of 27 businessmen 1987 – 1991
- CFL 1991
- Bernard Glieberman 1991 – 1994
- Bruce Firestone 1994 – 1995
- Horn Chen 1995 – 1996
- CFL 1996 – 1997
- Fred Anderson 1993 – 1996
- Community/Widely Held 1911 – Present
- Bernard Glieberman 1994 – 1996
- Community/Widely Held 1873 – 1956
- Basset/Burns/Cradock 1956 – 1960
- Basset/Burns/Lumbers 1960 – 1971
- Baton Broadcasting Ltd./Others 1971 – 1974
- Bill Hodgson 1974 – 1976
- Bill Hodgson/Carling O'Keefe Ltd. 1976 – 1979
- Carling O'Keefe Ltd. 1979 – 1988
- Ornest/Carling O'Keefe Ltd. 1988 – 1991
- McNall/Candy/Gretzky 1991 – 1994
- TSN Enterprises 1994 – 1995
- Labatt Bewery of Canada 1995 – 1999
- Sherwood Schwarz 1999 – 2003
- CFL 2003
- Sokolowski/Cynamon 2003 – 2010
- David Braley 2010 – 2015
- BCE/Kilmer Group 2015 – 2018
- MLSE 2018 – Present
- Community/Widely Held 1930 – Present